278340227

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{1543}}^1$

素因数の和:1631

約数の個数: 24

約数和(自身を含む): 327871488

約数和(自身を除く): 49531261

約数列:

[1, 11, 23, 31, 253, 341, 529, 713, 1543, 5819, 7843, 16399, 16973, 35489, 47833, 180389, 390379, 526163, 816247, 1100159, 8978717, 12101749, 25303657, 278340227]

約数ペア:

[(1, 278340227), (11, 25303657), (23, 12101749), (31, 8978717), (253, 1100159), (341, 816247), (529, 526163), (713, 390379), (1543, 180389), (5819, 47833), (7843, 35489), (16399, 16973)]